ISE Small Network Deployment HA

[jaboudi]

I have a customer who currently has ISE implemented in a small network deployment with a single SNS-3515 and he wants to add a redundant SNS and he requested that we quote for an appliance with redundant power supply. Can I sell the customer an SNS-3595 to be used for HA with his existing 3515 or do they both need to be the same model?

[Jason Kunst · Accepted solution]

That’s fine as long as both appliances are minimally sized to support the environment

If you’re running with a smaller appliance now than having a larger appliance added will work

[Craig Hyps]

Since addition of second server with redundant  PSU mentioned, it should be noted that a 2nd PSU can be added to the 3515.  You just need to remember to pull it if ever sent in for RMA as exchanges assume base hardware.